STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


STM32F107VCT6 core is locked-up after programming

There are two identical controllers with STM32F107VCT6. One of them is programmed, and another one is not. Memory protection is disabled. I haven't the original program project, and the task is to read and save program from the first controller and d...

DGidr.1 by Associate
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Problem with SPI5 in stm32h747-Disco

Hi, I have imported the example project TX_CMSIS_Wrapper and I wanted to integrate SPI5 with it. After initialising SPI5 I could not see any clock signal generated. I am using STM32H747-DISCO development board. void MX_SPI5_Init(void){hspi5.Instance...

SLuit.1 by Associate III
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Resolved! ADC_VRef in STM32L431RBT6

I'm trying to use the internal reference voltage of 2.048V in my application, since I'm powering the microcontroller with 2.8V. But when I select the reference source and enable the VRefBuff with this lines: HAL_SYSCFG_VREFBUF_VoltageScalingConfig(S...

Missing CAN frames in STM32F205

HI ,  I am having an issue with STM32F205 controller CAN rx message reception. We used cubemx to generate the CAN driver at the baud rate of 250kbps. we want to receive CAN messages around 1100 messages per second. but we are missing CAN frames above...

SA.21 by Associate
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I have enabled DMA for usart2 in pins PD5 and PD6 and I have attached my main file. I have tried uart transfer by polling mode and interrupt mode both are working fine. But when I try for DMA mode the data is not transferring .I don't know where I ha...

Resolved! HAL delay doesn't match the value

I am using an STM32 MCU. When I use the HAL_Delay function with a parameter of 1000 for example, I see that the delay is shorter than it should be. I have checked that HAL_IncTick(), but it works correctly and it is placed inside the SysTick_Handler....

VCapu by Associate III
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Resolved! Why does the material stm32f205rey6 have no ST logo. Do the following 7522 and 8032 refer to Datecode? If it represents the date, wha

生产几K套时�?�现大部分 datedote 7522 和 8032 使用了ST-link 或J-link 使用SWD方�?�?能烧录连接 ,开始以为是SWD功能被�?用了,试了�?�?和 boot0拉高�?��?行,使用Jtag方�?也�?行。带用ST logo�?�?�的�?�是OK的,请问这两�?方�?什么�?�?��?�?还是什么特殊烧录设置�?�?During the test, it was found that most datedote 7522 and 8032 used st...


Resolved! Can't communicate when use 500K and 5M Bit Rate

Hello, everyone,I test CANFD a long time. And I found that some Bit Rate doesn't work together. For example, I use CANFD Mode, set to 1M + 5M. It work well. But same parameter at Data Bit Rate,I change to 500k + 5M, or 250k + 5M, it can't work. It al...

0693W00000AP87KQAT.jpg 0693W00000AP87FQAT.jpg
YZhon.1 by Associate II
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Hi, I would like to ask, I have a SPI setup Full duplex which my STM32f302R8 nucleo board as a master and arduino UNO as my slave.I send a data 0x0C from master to slave. During transmission, I know that the slave will return a dummy data back to the...

WM_IR by Senior
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